Barn Greenhouse Free step by step plans to build a barn style greenhouse
18 DIY greenhouse tutorials and plans. There's a low-cost homemade greenhouse for everyone, from small backyard greenhouses to a 300 square foot greenhouse.
DIY Homemade Greenhouse | Homesteading Hacks Every Homesteader Should Know
Small Greenhouse DIY Saturday – How to Build a Greenhouse for your Home
Make Your Own Greenhouse, DIY Greenhouse from PVC and cattle panel Could be used as a Chicken Coop/Yard as well
Soda Bottles have several great uses! If you cut the bottom off, you can use them to cover seedlings like mini greenhouses. They also protect them from frost, wind, and strong rain.